| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 92 | 2.589,32 | 28,14 | 2 |
| 2007 | 42 | 1.489,68 | 35,47 | 1 |
| 2008 | 74 | 2.285,53 | 30,89 | 1 |
| 2009 | 119 | 2.932,45 | 24,64 | 2 |
| 2010 | 140 | 2.785,78 | 19,90 | 2 |
| 2011 | 104 | 2.177,71 | 20,94 | 1 |
| 2012 | 202 | 3.864,94 | 19,13 | 3 |
| 2013 | 220 | 4.298,79 | 19,54 | 3 |
| 2014 | 203 | 5.222,02 | 25,72 | 3 |
| 2015 | 182 | 4.743,83 | 26,07 | 3 |
| 2016 | 180 | 4.502,44 | 25,01 | 3 |
| 2017 | 169 | 4.426,60 | 26,19 | 4 |
| 2018 | 173 | 4.868,06 | 28,14 | 4 |
| 2019 | 168 | 4.503,45 | 26,81 | 4 |
| 2020 | 162 | 3.686,51 | 22,76 | 3 |
| 2021 | 139 | 3.615,12 | 26,01 | 2 |
| 2022 | 153 | 4.000,18 | 26,14 | 2 |
| 2023 | 140 | 3.162,08 | 22,59 | 2 |
| 2024 | 183 | 4.459,26 | 24,37 | 2 |
| totale | 2.845 | 69.613,75 | 24,47 | 47 |